public static IFileBlobManager CreateEdit(uint blobID)
{
using (var db = DB.GetContext())
{
FileBlobManager manager = new FileBlobManager();
manager.ActiveModel = FileBlobRepository.GetBlob(db, blobID);
manager.CreationInfo.DriverID = manager.ActiveModel.DriverID;
return(manager);
}
}
public CheckResult PreviewFile(FileBlobViewModel model)
{
CheckResult res = new CheckResult(model);
using (var db = DB.GetContext())
{
var file = FileBlobRepository.GetBlob(db, model.BlobID);
if (file == null)
{
res.AddError("No such file!", string.Empty);
return(res);
}
string directory = Path.Combine(Environment.CurrentDirectory, "files");
if (!Directory.Exists(directory))
{
Directory.CreateDirectory(directory);
}
string fileName = Path.Combine(directory, ExtensionMethods.SafeFileName(file.BlobName) + file.BlobExtension);
if (File.Exists(fileName))
{
try
{
File.Delete(fileName);
}
catch (Exception ex)
{
return(new CheckResult(ex));
}
}
try
{
File.WriteAllBytes(fileName, file.BlobData);
ProcessStartInfo info = new ProcessStartInfo(fileName);
info.UseShellExecute = true;
Process.Start(info);
return(res);
}
catch (Exception ex)
{
return(new CheckResult(ex));
}
}
}